Ukample: Which of the following systems is equivalent to {x– 2y = 4,Sx- 2y = 4A)(6x + 2y = 9-3х + бу %3D 4B)3x + y = 9x- 2y = 4C)16x – 2y = 18Ex- y = 2D) 2*(3x + y = 911Which of the following systems of equations is equivalent?AВD 10 John is doing a fundraiser for school. He needs to sell at least $200 worth of items. Shirts cost $10 eachand hats cost $8 cach. He must sell more than 12 items. Which combination of Shirts and Hats would bea possible solution to the situation above.A 10 shirts and 12 hatsB. 12 shirts and 10 hatsC. 11 shirts and 9 hatsD. 9 shirts and 11 hats10 Which combination of shirts and hats would be a possible solution tothe situation?1АВC

Okample: Which of the following systems is equivalent to (x – 2y = 4, {3x + y = 9' Sx- 2y = 4 A) {6x + 2y = 9 (-3х + бу 4 B) { 3x + y = 9 S x– 2y = 4 {6x – 2y = 18 C) Gx- y = 2 D) (3x + y = 9 11 Which of the following systems of equations is equivalent? A D

Okample: Which of the following systems is equivalent to (x – 2y = 4, {3x + y = 9' Sx- 2y = 4 A) {6x + 2y = 9 (-3х + бу 4 B) { 3x + y = 9 S x– 2y = 4 {6x – 2y = 18 C) Gx- y = 2 D) (3x + y = 9 11 Which of the following systems of equations is equivalent? A D

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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I'm not sure I did it correct but I got 6,24 and 6,42
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Answer to question 22
Show that the system x1 + 2x2 – x3 = a - 2.x1 + x2 + 3x3 = 6 4.x2 + 9x3 = C is inconsistent unless c = 2b – 3a. -
11. Find the solution to the system 4х - Зу +3z%3D 0 2х — Зу + 2z%3D 0 6х— 12y + 7z %3D 0.
Which of the following systems contain dependent equations? х-у35, Зх — Зу %3D 15 Solution: infinitely many solutions x-y= 4, x +y = 6 Solution: (5,1) y = 2x + 5, 2y = 6x + 15 - 7x+ y = 2, - 7x+y = 6 Solution: no solution y = - 2, X = 5 Solution: (5, - 2) 2х - у %3D - 6, 6х — Зу%3D — 18 Solution: infinitely many solutions Solution: no solution Select all that apply. О А. х-у-5, Зх - Зу %3D15 Solution: infinitely many solutions В. у3 -2, X= 5 Solution: (5, -2) С. у%3D2х+5, 2y = 6x + 15 Solution: no solution D. 2x-у%3D - 6, 6х - Зу%3D — 18 Solution: infinitely many solutions Е. х-у34, x+y = 6 Solution: (5,1) F. - 7x+y = 2, - 7x + y = 6 Solution: no solution
Which system of equations would result in the elimination of the x-value? a) 3(2x+5y=15) -2(3x+4y=19) b) 4(2x+5y=15) -5(3x+4y=19) c) -3(2x+5y=15) -2(3x+4y=19) d) -4(2x+5y=15) -5(3x+4y=19)
15 Solve the system of linear equations x1 + 2x2 + 4x3 + 6x4 – 2xz = 9 2x1 + 2x2 + 3x3 + 8x4 – x5 = 8 3x1 + 3x2 + 2xz + 7x4 – 4x5 =7 16 Solve the system of linear equations x+ 4y – 2z = 15 2т — Зу + 52 — 11 - 3x + 6y – 4z = 23
What should be multiplied to the second equation to eliminate y in the system? 2х - у J4x - 6y = 12 4. |2x - 3y = 6 1. 1 4x y = 1 [2х - 5у - 2 2. [3x + Sy = 6 5. |x + y = 1 18х - у 1 3. 11х - 11у -11 |11x + y = 11
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